Add Retry option in context menu for failed messages.

src/i18n/en.json

@@ -101,6 +101,7 @@
   "menu_item_clear_messages_for_all": "Clear for All",
   "menu_item_delete": "Delete",
   "menu_item_delete_for_all": "Delete for All",
+  "menu_item_send_retry": "Retry",
   "menu_item_mute": "Mute",
   "menu_item_unmute": "Unmute",
   "menu_item_delete_topic": "Delete",

src/i18n/ru.json

@@ -93,6 +93,7 @@
   "menu_item_clear_messages_for_all": "Удалить для всех",
   "menu_item_delete": "Удалить",
   "menu_item_delete_for_all": "Удалить для всех",
+  "menu_item_send_retry": "Отправить заново",
   "menu_item_mute": "Не уведомлять",
   "menu_item_unmute": "Уведомлять",
   "menu_item_delete_topic": "Удалить чат",

src/i18n/zh.json

@@ -151,5 +151,6 @@
   "topic_block_warning": ":!![MISSING]!!:Are you sure you want to block this conversation?",
   "search_no_results": ":!![MISSING]!!:Search returned no results",
   "deleted_content": "内容已删除",
-  "image_caption_prompt": "图片标题"
+  "image_caption_prompt": "图片标题",
+  "menu_item_send_retry": ":!![MISSING]!!:Retry"
 }